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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2022 Nordix Foundation
* Modifications Copyright (C) 2022 Bell Canada
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.cps.ncmp.api.inventory.sync;
import java.util.List;
import java.util.concurrent.ConcurrentMap;
import java.util.function.Consumer;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.onap.cps.ncmp.api.impl.yangmodels.YangModelCmHandle;
import org.onap.cps.ncmp.api.inventory.CmHandleState;
import org.onap.cps.ncmp.api.inventory.CompositeState;
import org.onap.cps.ncmp.api.inventory.DataStoreSyncState;
import org.onap.cps.ncmp.api.inventory.InventoryPersistence;
import org.onap.cps.ncmp.api.inventory.LockReasonCategory;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;
@Slf4j
@RequiredArgsConstructor
@Component
public class ModuleSyncWatchdog {
private final InventoryPersistence inventoryPersistence;
private final SyncUtils syncUtils;
private final ModuleSyncService moduleSyncService;
private final ConcurrentMap<String, Boolean> moduleSyncSemaphoreMap;
/**
* Execute Cm Handle poll which changes the cm handle state from 'ADVISED' to 'READY'.
*/
@Scheduled(fixedDelayString = "${timers.advised-modules-sync.sleep-time-ms:30000}")
public void executeAdvisedCmHandlePoll() {
syncUtils.getAdvisedCmHandles().forEach(advisedCmHandle -> {
final String cmHandleId = advisedCmHandle.getId();
if (hasPushedIntoSemaphoreMap(cmHandleId)) {
log.debug("executing module sync on {}", cmHandleId);
final CompositeState compositeState = inventoryPersistence.getCmHandleState(cmHandleId);
try {
moduleSyncService.deleteSchemaSetIfExists(advisedCmHandle);
moduleSyncService.syncAndCreateSchemaSetAndAnchor(advisedCmHandle);
setCompositeStateToReadyWithInitialDataStoreSyncState().accept(compositeState);
updateModuleSyncSemaphoreMap(cmHandleId);
} catch (final Exception e) {
setCompositeStateToLocked().accept(compositeState);
syncUtils.updateLockReasonDetailsAndAttempts(compositeState,
LockReasonCategory.LOCKED_MODULE_SYNC_FAILED, e.getMessage());
}
inventoryPersistence.saveCmHandleState(cmHandleId, compositeState);
log.debug("{} is now in {} state", cmHandleId, compositeState.getCmHandleState().name());
} else {
log.debug("{} already processed by another instance", cmHandleId);
}
});
log.debug("No Cm-Handles currently found in an ADVISED state");
}
/**
* Execute Cm Handle poll which changes the cm handle state from 'LOCKED' to 'ADVISED'.
*/
@Scheduled(fixedDelayString = "${timers.locked-modules-sync.sleep-time-ms:300000}")
public void executeLockedCmHandlePoll() {
final List<YangModelCmHandle> lockedCmHandles = syncUtils.getModuleSyncFailedCmHandles();
for (final YangModelCmHandle lockedCmHandle : lockedCmHandles) {
final CompositeState compositeState = lockedCmHandle.getCompositeState();
final boolean isReadyForRetry = syncUtils.isReadyForRetry(compositeState);
if (isReadyForRetry) {
setCompositeStateToAdvisedAndRetainOldLockReasonDetails(compositeState);
log.debug("Locked cm handle {} is being re-synced", lockedCmHandle.getId());
inventoryPersistence.saveCmHandleState(lockedCmHandle.getId(), compositeState);
}
}
}
private Consumer<CompositeState> setCompositeStateToLocked() {
return compositeState -> {
compositeState.setCmHandleState(CmHandleState.LOCKED);
compositeState.setLastUpdateTimeNow();
};
}
private Consumer<CompositeState> setCompositeStateToReadyWithInitialDataStoreSyncState() {
return compositeState -> {
compositeState.setDataSyncEnabled(false);
compositeState.setCmHandleState(CmHandleState.READY);
final CompositeState.Operational operational = getDataStoreSyncState();
final CompositeState.DataStores dataStores = CompositeState.DataStores.builder()
.operationalDataStore(operational)
.build();
compositeState.setDataStores(dataStores);
};
}
private void setCompositeStateToAdvisedAndRetainOldLockReasonDetails(final CompositeState compositeState) {
compositeState.setCmHandleState(CmHandleState.ADVISED);
compositeState.setLastUpdateTimeNow();
final String oldLockReasonDetails = compositeState.getLockReason().getDetails();
final CompositeState.LockReason lockReason = CompositeState.LockReason.builder()
.details(oldLockReasonDetails).build();
compositeState.setLockReason(lockReason);
}
private CompositeState.Operational getDataStoreSyncState() {
final DataStoreSyncState dataStoreSyncState = DataStoreSyncState.NONE_REQUESTED;
return CompositeState.Operational.builder().dataStoreSyncState(dataStoreSyncState).build();
}
private void updateModuleSyncSemaphoreMap(final String cmHandleId) {
moduleSyncSemaphoreMap.replace(cmHandleId, true);
}
private boolean hasPushedIntoSemaphoreMap(final String cmHandleId) {
return moduleSyncSemaphoreMap.putIfAbsent(cmHandleId, false) == null;
}
}
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